Ken Griffin acquired 4.12 Million Rocket Pharmaceuticals shares worth $28.8 Million. That's 0.03% of their equity portfolio (684th largest holding). The investor owns 3.86% of the outstanding Rocket Pharmaceuticals stock. The first Rocket Pharmaceuticals trade was made in Q1 2018. Since then Ken Griffin bought shares 42 more times and sold shares on 25 occasions. The investor's estimated purchase price is $81.2 Million, resulting in a loss of 65%.